Atsumi Toda / Mbed 2 deprecated UBX_GPS_muliti_SPI_4_logger_ver

5Hz GNSS logger GNSS logging program with ublox neo7M. This utilizes ticker and timer.

Dependencies:   mbed MG354PDH0 SDFileSystem

Diff: SDFileSystem.lib

Revision:
1:8757d12d193b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SDFileSystem.lib	Wed Apr 28 06:59:04 2021 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/teams/IZU2020/code/SDFileSystem/#7d0c7cd191a9